PS3 exclusive with best online play?

I just got a PS3 and i wanted a PS3 exclusive that has the most online players? Make a list please

Left 4 Dead..oh wait..umm

Killzone 2?? i guess? :? I personally didn't care for it.

I like Socom.. But everything here is just going to be opinion..

Left 4 Dead..oh wait..umm

Killzone 2?? i guess? :? I personally didn't care for it.

Unknown_Hero3

Little Big Planet has a large and fun community, you should check it out.

usually its the new games but some still have....

Killzone 2 is FULL of players. You wont have any problems finding a game.

Killzone 2

Im seeing a lot of Killzone 2, ill get it

Warhawk....and Metal Gear Online which comes with Metal Gear Solid 4.

Killzone 2.